Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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09/26/2012 | CN102692541A 检测器电路 Detector circuit |
09/26/2012 | CN102692539A Over-voltage tolerant level detection circuit |
09/26/2012 | CN102692538A Multi-path intelligent comprehensive electric quantity detecting device |
09/26/2012 | CN102692537A Electric quantity test instrument resetting method |
09/26/2012 | CN102005292B Antirust open type current transformer |
09/25/2012 | US8275569 Test apparatus and diagnosis method |
09/25/2012 | US8275560 Power measurement techniques of a system-on-chip (SOC) |
09/25/2012 | US8274394 Faulted circuit indicator with end-of-life display and discharge |
09/25/2012 | US8274294 Method and device for capturing a fault in an electrical supply grid |
09/24/2012 | DE202012103071U1 Messeinrichtung für eine kontaktlose Strommessung Measuring device for contactless current measurement |
09/20/2012 | WO2012124417A1 Current detection device |
09/20/2012 | US20120235667 Three-phase selectable energy meter |
09/19/2012 | EP2500736A1 Calibration of fiberoptic faraday effect sensor |
09/19/2012 | EP2499983A1 Isolated current sensor |
09/19/2012 | EP2499503A1 Current measuring apparatus |
09/19/2012 | CN202443855U Comprehensive conditioning module for squirrel-cage hollow current transformer |
09/19/2012 | CN202443852U Cascade high-potential energy supplying device |
09/19/2012 | CN202443062U Multifunctional electroprobe |
09/19/2012 | CN202443059U Pole-ascending-free electroscope |
09/19/2012 | CN202443055U Leakage current sensor capable of shielding external interference signals |
09/19/2012 | CN202443053U Current sampling circuit used for air switch |
09/19/2012 | CN102687025A Magneto optical current transducer with improved outage performance |
09/19/2012 | CN102682985A High-voltage electronic type voltage transformer |
09/19/2012 | CN102680793A Powder resistivity testing device |
09/19/2012 | CN102680786A Special testing device for resistivity of rubber and plastic materials for electric wires and cables |
09/19/2012 | CN102680776A Wide-range logarithmic micro-current detection circuit |
09/19/2012 | CN102680768A Mono-polar type voltage measurement sensor with self-correction and self-construct electric filed and measurement method |
09/19/2012 | CN102680764A Closed-loop Hall current sensor |
09/19/2012 | CN102680760A High- and low- voltage signal isolation transmission device special for contact network inspection trolley |
09/19/2012 | CN102680759A Electronic transformer based on chained capacitor bank resistance-capacitance voltage division |
09/19/2012 | CN102680758A Digitalized optical fiber voltage transformer |
09/19/2012 | CN102680757A Multi-channel digital signal isolation, conditioning and acquisition device |
09/19/2012 | CN102680756A Electronic measurement method and device with compound functions |
09/19/2012 | CN102169754B Current and voltage transformer |
09/19/2012 | CN101149402B Electric current detector |
09/18/2012 | US8269482 Intelligent electronic device having circuitry for reducing the burden on current transformers |
09/18/2012 | US8269481 Automatic capture and storage of measurements in digital multimeter |
09/13/2012 | WO2012120940A1 Current sensor |
09/13/2012 | WO2012120939A1 Current sensor |
09/13/2012 | US20120227542 Semi-liquid metal processing and sensing device and method of using same |
09/13/2012 | DE112011100130T5 Stromdetektionsvorrichtung Current detection device |
09/13/2012 | DE102011005165A1 Coil for detecting magnetic field in current sensor utilized to measure current flowing through electrical conductor, has winding carrier provided with winding whose diameter in certain position is greater than narrower diameter |
09/12/2012 | CN202433436U Current measuring system of electric furnace |
09/12/2012 | CN202433434U Three-range voltage measuring instrument |
09/12/2012 | CN202433431U Capacitive voltage divider |
09/12/2012 | CN202433430U Positioning mechanism used on automatic detection line of three-phase electric energy meter |
09/12/2012 | CN202433424U Copper contact for secondary circuit of voltage transformer of electric energy meter |
09/12/2012 | CN102667502A Fiber-optic current sensing using a sensor with exchangeable sub-modules |
09/12/2012 | CN102662097A Broadband online measurement sensor for DC extra-high voltage corona current |
09/12/2012 | CN102226973B Electronic voltage transformer with temperature-measuring device |
09/12/2012 | CN102062799B Vehicle mounted electrical isolation measuring circuit |
09/12/2012 | CN102053191B Electronic voltage transformer using data fusion technology and error calibration method thereof |
09/07/2012 | WO2012117841A1 Current sensor |
09/07/2012 | WO2012117784A1 Current sensor |
09/05/2012 | EP2494369A1 Device and method for detecting and processing signals relating to partial electrical discharges |
09/05/2012 | CN202422987U Current transformer for sampling |
09/05/2012 | CN202422986U Low current detection mutual inductor for suppressing power frequency electromagnetic interference |
09/05/2012 | CN202422985U Non-access high-voltage current transformer |
09/05/2012 | CN202421476U Power supply voltage detection circuit applied to bean juice maker |
09/05/2012 | CN202421437U Detecting device for isolation of cathode of power substrate and ground line of test equipment |
09/05/2012 | CN202421415U High frequency current transformer for partial discharge test |
09/05/2012 | CN202421333U Phase tester of 25 Hz phase-sensitive track circuit |
09/05/2012 | CN202421332U High precision electric parameter analyzer |
09/05/2012 | CN202421314U Signal intelligence system for optical fiber current sensor |
09/05/2012 | CN202421289U Improved voltage sensor |
09/05/2012 | CN202421280U Current detecting device |
09/05/2012 | CN202421274U On-off isolating relay protection sensing circuit |
09/05/2012 | CN202421273U Relay-protection distributed terminal isolation sensing circuit |
09/05/2012 | CN202421272U Power transformer with high-voltage side electric energy acquisition signal |
09/05/2012 | CN202421271U Misoperation-preventive multimeter |
09/05/2012 | CN202421270U High-voltage sensor |
09/05/2012 | CN202421269U Multichannel universal meter |
09/05/2012 | CN202421268U Overload indication and alarm circuit for digital multimeter |
09/05/2012 | CN202421267U Digital multimeter based on wifi wireless transmission |
09/05/2012 | CN202421266U Logic-combinable multi-phase multi-loop power monitoring device |
09/05/2012 | CN202421265U Instrument measuring prober meeting dual-grade measuring standards |
09/05/2012 | CN202421264U Flexible current sensor |
09/05/2012 | CN202421234U Multi-meter prober |
09/05/2012 | CN102656473A Method and device for calibrating a voltage measurement on a driving circuit |
09/05/2012 | CN102656467A Current sensor with a self-test function |
09/05/2012 | CN102654530A High-voltage electrode discharge current measuring device |
09/05/2012 | CN102654527A Insulator resistive current peak detection circuit |
09/05/2012 | CN102654526A Capacitative current separating circuit of insulator |
09/05/2012 | CN102654525A Insulator resistive current separation circuit |
09/05/2012 | CN102116784B Mechanical test device |
09/05/2012 | CN102074344B Secondary winding group structure of current transformer |
09/05/2012 | CN102012491B Single core flux gate and flux gate double-shaft sensor |
09/05/2012 | CN101932191B Measuring equipment and amplifying circuit, impedance component and multilayer printed circuit board thereof |
09/05/2012 | CN101932190B Measuring equipment and amplifying circuit, impedance component and multi-layer printed circuit board thereof |
09/05/2012 | CN101932189B Measuring equipment and amplifying circuit, impedance component and multilayer printed circuit board thereof |
09/05/2012 | CN101887081B Bridge zero adjustment circuit |
09/05/2012 | CN101676735B Current sampling hall sensor device |
09/05/2012 | CN101640124B Suspended capacitor voltage transformer |
09/05/2012 | CN101441235B Systems and methods for an open circuit current limiter |
09/05/2012 | CN101368984B Digital multimeter having improved rotary switch assembly |
09/04/2012 | US8260563 Common-mode noise reduction circuit |
09/04/2012 | US8258776 Sensor system and method |
09/04/2012 | DE202012101849U1 Prüf- und Anschlussvorrichtungsanordnung und Prüfvorrichtung Testing and connection device assembly and testing unit |
09/04/2012 | DE202012101845U1 Prüf- und Anschlussvorrichtungsanordnung und Anschlussvorrichtung Testing and connection device arrangement and connection device |
08/30/2012 | WO2012113559A1 Resistive voltage divider made of a resistive film material on an insulating substrate |